The Uncleared Margin Rules require margin to be exchanged between counterparties dependent on their Aggregate Average Notional Amount (AANA) – basically the amount of trading they conduct.

The main algorithm used to calculate the UMR margin requirement is SIMM. This takes as its inputs a set of provided parameters and the sensitivities of trades to specific risk factors. These sensitivities are provided in a standard format called CRIF.

A regulatory threshold of $50 million allows counterparties to only exchange margin when they breach this level. The main difference between UMR and the  Initial Margin  calculated by CCP‘s is that margin is a two way exchange for UMR, whereas cleared margin is only paid to the CCP.

Learn other definitions of key margin terminology with our A-Z Margin Terminology page. Additionally, we invite you to explore a wide selection of blogs and ebooks on our insights page. Lastly, learn more about OpenGamma by watching our demo and taking a look at our product and solutions pages.


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